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cond-mat.mes-hall2026
Gauge-covariant theory of the orbital Hall effect: role of itinerant orbital currents and a non-Kubo contribution
Mirco Sastges, Insu Baek, Hojun Lee +3
The orbital Hall effect is central to the emerging field of orbitronics, yet its first-principles description relies on an atom-centered approximation (ACA) of the orbital angular…
cond-mat.mes-hall2026
Anatomy of the modern theory of orbital magnetism from first-principles: term-by-term analysis in the gauge-covariant formalism
Hojun Lee, Insu Baek, Mirco Sastges +3
We present an in-depth analysis of the orbital magnetism by means of the so-called modern theory based on the Berry phase across distinct classes of materials-d transition metals,…